Home / 52,083.20-77,991.96-28,683.92

Finding the Fourth Proportional to 52,083.20, 77,991.96 and 28,683.92

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Solution

The fourth proportional to 52,083.20, 77,991.96 and 28,683.92 is: 42,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,083.20 : 77,991.96 = 28,683.92 : x
  2. Step 2: Convert to fraction form
    52,083.20/77,991.96 = 28,683.92/x
  3. Step 3: Cross multiply
    52,083.20x = 77,991.96 × 28,683.92
  4. Step 4: Simplify right side
    52,083.20x = 2,237,115,141.28
  5. Step 5: Solve for x
    x = 2,237,115,141.28/52,083.20
  6. Step 6: Final answer
    x = 42,952.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.